[INFO] cloning repository https://github.com/steveyxz/puzzle-solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/steveyxz/puzzle-solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveyxz%2Fpuzzle-solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveyxz%2Fpuzzle-solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ff472dbcbfaa16f4dae6f6c3145f317b3e6f32f
[INFO] testing steveyxz/puzzle-solver against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsteveyxz%2Fpuzzle-solver" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/steveyxz/puzzle-solver
[INFO] finished tweaking git repo https://github.com/steveyxz/puzzle-solver
[INFO] tweaked toml for git repo https://github.com/steveyxz/puzzle-solver written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/steveyxz/puzzle-solver on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/steveyxz/puzzle-solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c752656f1b4529cb0ac64185652f19093424fa1a7a2e4301641cd85260099d90
[INFO] running `Command { std: "docker" "start" "-a" "c752656f1b4529cb0ac64185652f19093424fa1a7a2e4301641cd85260099d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c752656f1b4529cb0ac64185652f19093424fa1a7a2e4301641cd85260099d90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c752656f1b4529cb0ac64185652f19093424fa1a7a2e4301641cd85260099d90", kill_on_drop: false }`
[INFO] [stdout] c752656f1b4529cb0ac64185652f19093424fa1a7a2e4301641cd85260099d90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d82a40680ca8ef2ae1b9ec8cfc2cb5719b374bbc799e61f814e2c1371863c679
[INFO] running `Command { std: "docker" "start" "-a" "d82a40680ca8ef2ae1b9ec8cfc2cb5719b374bbc799e61f814e2c1371863c679", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzle-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `all_solutions` is never read
[INFO] [stdout]   --> src/fire_circle/solver.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Solution {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 86 |     pub shortest_solution: SingleSolution,
[INFO] [stdout] 87 |     pub all_solutions: Vec<SingleSolution>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "d82a40680ca8ef2ae1b9ec8cfc2cb5719b374bbc799e61f814e2c1371863c679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d82a40680ca8ef2ae1b9ec8cfc2cb5719b374bbc799e61f814e2c1371863c679", kill_on_drop: false }`
[INFO] [stdout] d82a40680ca8ef2ae1b9ec8cfc2cb5719b374bbc799e61f814e2c1371863c679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b41274377d38630a1e190308aa1c383367722f33bc3f2662346050c6f54bab38
[INFO] running `Command { std: "docker" "start" "-a" "b41274377d38630a1e190308aa1c383367722f33bc3f2662346050c6f54bab38", kill_on_drop: false }`
[INFO] [stderr]    Compiling puzzle-solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `all_solutions` is never read
[INFO] [stdout]   --> src/fire_circle/solver.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 85 | pub struct Solution {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 86 |     pub shortest_solution: SingleSolution,
[INFO] [stdout] 87 |     pub all_solutions: Vec<SingleSolution>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "b41274377d38630a1e190308aa1c383367722f33bc3f2662346050c6f54bab38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b41274377d38630a1e190308aa1c383367722f33bc3f2662346050c6f54bab38", kill_on_drop: false }`
[INFO] [stdout] b41274377d38630a1e190308aa1c383367722f33bc3f2662346050c6f54bab38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73652ed369ff33f655ed6b5ee32d16ae166ba51eaa19bb479fcc80f7f263deaf
[INFO] running `Command { std: "docker" "start" "-a" "73652ed369ff33f655ed6b5ee32d16ae166ba51eaa19bb479fcc80f7f263deaf", kill_on_drop: false }`
[INFO] [stderr] warning: field `all_solutions` is never read
[INFO] [stderr]   --> src/fire_circle/solver.rs:87:9
[INFO] [stderr]    |
[INFO] [stderr] 85 | pub struct Solution {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 86 |     pub shortest_solution: SingleSolution,
[INFO] [stderr] 87 |     pub all_solutions: Vec<SingleSolution>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `puzzle-solver` (bin "puzzle-solver" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/puzzle_solver-28f3724994adfe01)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test fire_circle::solver::tests::flicker_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "73652ed369ff33f655ed6b5ee32d16ae166ba51eaa19bb479fcc80f7f263deaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73652ed369ff33f655ed6b5ee32d16ae166ba51eaa19bb479fcc80f7f263deaf", kill_on_drop: false }`
[INFO] [stdout] 73652ed369ff33f655ed6b5ee32d16ae166ba51eaa19bb479fcc80f7f263deaf